tester: minor suites renaming

tester/belle_http_tester.c

@@ -358,5 +358,5 @@ test_t http_tests[] = {
 	{ "http GET with long user body", http_get_long_user_body}
 };
 
-test_suite_t http_test_suite = {"http", http_before_all, http_after_all, NULL,
+test_suite_t http_test_suite = {"HTTP stack", http_before_all, http_after_all, NULL,
 								NULL, sizeof(http_tests) / sizeof(http_tests[0]), http_tests};

tester/belle_sip_register_tester.c

@@ -795,6 +795,6 @@ test_t register_tests[] = {
 	{ "Nonce reutilization", reuse_nonce }
 };
 
-test_suite_t register_test_suite = {"REGISTER", register_before_all, register_after_all, NULL,
+test_suite_t register_test_suite = {"Register", register_before_all, register_after_all, NULL,
 									NULL, sizeof(register_tests) / sizeof(register_tests[0]),
 									register_tests};